Radial profiles of ICM metallicity (top), temperature (lower left), and entropy (lower right) of the complete TNG-Cluster sample at z = 0. In all three panels thin lines show the 352 individual clusters, colored by halo mass, while the five thick lines show median provides in 0.2 dex halo mass bins. For metallicity, we also include mean stacked profiles as thick dotted lines. Profiles include all gas and are mass-weighted. We compare the metallicity profiles to observational inferences for low-redshift clusters (Leccardi & Molendi 2008; Molendi et al. 2016a; Lovisari & Reiprich 2019; Ghizzardi et al. 2021, see text).